diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/m68k/sysdep.S')
| -rw-r--r-- | sysdeps/unix/sysv/linux/m68k/sysdep.S | 39 |
1 files changed, 22 insertions, 17 deletions
diff --git a/sysdeps/unix/sysv/linux/m68k/sysdep.S b/sysdeps/unix/sysv/linux/m68k/sysdep.S index 895ea2770b..674715f824 100644 --- a/sysdeps/unix/sysv/linux/m68k/sysdep.S +++ b/sysdeps/unix/sysv/linux/m68k/sysdep.S @@ -33,8 +33,9 @@ errno: .space 4 _errno = errno /* This name is expected by hj libc.so.5 startup code. */ .text -/* The following code is not used at all in the shared library. - The PIC system call stubs set errno themselves. */ +/* The following code is only used in the shared library when we + compile the reentrant version. Otherwise each system call defines + each own version. */ #ifndef PIC @@ -42,30 +43,34 @@ _errno = errno /* This name is expected by hj libc.so.5 startup code. */ #define _ERRNO_H #include <errnos.h> -.globl errno -.globl __syscall_error - /* The syscall stubs jump here when they detect an error. */ .globl __syscall_error __syscall_error: neg.l %d0 - -#if defined (EWOULDBLOCK_sys) && EWOULDBLOCK_sys != EAGAIN - /* We translate the system's EWOULDBLOCK error into EAGAIN. - The GNU C library always defines EWOULDBLOCK==EAGAIN. - EWOULDBLOCK_sys is the original number. */ - move.l #EWOULDBLOCK_sys, %d1 - cmp.l %d0, %d1 - jne 1f - move.l #EAGAIN, %d0 -1: -#endif - move.l %d0, errno +#ifdef _LIBC_REENTRANT + move.l %d0, -(%sp) + jbsr __errno_location + move.l (%sp)+, (%a0) +#endif move.l #-1, %d0 /* Copy return value to %a0 for syscalls that are declared to return a pointer. */ move.l %d0, %a0 rts + .size __syscall_error, . - __syscall_error #endif /* PIC */ + +#ifdef _LIBC_REENTRANT + .globl __errno_location + .type __errno_location, @function +__errno_location: +#ifdef PIC + move.l (%pc, errno@GOTPC), %a0 +#else + lea errno, %a0 +#endif + rts + .size __errno_location, . - __errno_location +#endif |